package com.tedu.sp03.user.service;

import cn.tedu.sp01.pojo.User;
import cn.tedu.sp01.service.UserService;
import cn.tedu.web.util.JsonUtil;
import com.fasterxml.jackson.core.type.TypeReference;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.stereotype.Service;

import java.util.List;

@RefreshScope//有这个注解 刷新到新的配置 才会重写注入到对象中
@Service
@Slf4j
public class UserServiceImpl implements UserService {

    @Value("${sp.user-service.users}")
    private String userJson;

    @Override
    public User getUser(Integer id) {
        log.info("获取用户,userId="+id);
        //userJson --> List<User>
        //Jackson API 利用匿名内部类继承语法,來写转换的类型
        List<User> list = JsonUtil.from(userJson, new TypeReference<List<User>>() {});
        for (User user:list){
            if (user.getId().equals(id)){
                //找到了
                return user;
            }
        }
        //找不到的话返回一个假的用户数据
        return new User(id,"用户名"+id,"密码"+id);
    }

    @Override
    public void addScore(Integer id, Integer score) {
        log.info("增加用户积分:userId="+id+",score="+score);
    }
}
